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root/jsr166/jsr166/src/test/tck/JSR166TestCase.java

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.88 by jsr166, Tue May 31 15:01:24 2011 UTC vs.
Revision 1.115 by jsr166, Wed May 14 21:06:38 2014 UTC

#	Line 11 | Line 11 | import java.io.ByteArrayInputStream;
11		import java.io.ByteArrayOutputStream;
12		import java.io.ObjectInputStream;
13		import java.io.ObjectOutputStream;
14	+	import java.lang.management.ManagementFactory;
15	+	import java.lang.management.ThreadInfo;
16	+	import java.lang.reflect.Method;
17	+	import java.util.ArrayList;
18		import java.util.Arrays;
19		import java.util.Date;
20	+	import java.util.Enumeration;
21	+	import java.util.List;
22		import java.util.NoSuchElementException;
23		import java.util.PropertyPermission;
24		import java.util.concurrent.*;
#	Line 20 | Line 26 | import java.util.concurrent.atomic.Atomi
26		import java.util.concurrent.atomic.AtomicReference;
27		import static java.util.concurrent.TimeUnit.MILLISECONDS;
28		import static java.util.concurrent.TimeUnit.NANOSECONDS;
29	+	import java.util.regex.Pattern;
30		import java.security.CodeSource;
31		import java.security.Permission;
32		import java.security.PermissionCollection;
#	Line 69 | Line 76 | import java.security.SecurityPermission;
76		*
77		* </ol>
78		*
79	<	* <p> <b>Other notes</b>
79	>	* <p><b>Other notes</b>
80		* <ul>
81		*
82		* <li> Usually, there is one testcase method per JSR166 method
#	Line 122 | Line 129 | public class JSR166TestCase extends Test
129		private static final long profileThreshold =
130		Long.getLong("jsr166.profileThreshold", 100);
131
132	+	/**
133	+	* The number of repetitions per test (for tickling rare bugs).
134	+	*/
135	+	private static final int runsPerTest =
136	+	Integer.getInteger("jsr166.runsPerTest", 1);
137	+
138	+	/**
139	+	* A filter for tests to run, matching strings of the form
140	+	* methodName(className), e.g. "testInvokeAll5(ForkJoinPoolTest)"
141	+	* Usefully combined with jsr166.runsPerTest.
142	+	*/
143	+	private static final Pattern methodFilter = methodFilter();
144	+
145	+	private static Pattern methodFilter() {
146	+	String regex = System.getProperty("jsr166.methodFilter");
147	+	return (regex == null) ? null : Pattern.compile(regex);
148	+	}
149	+
150		protected void runTest() throws Throwable {
151	<	if (profileTests)
152	<	runTestProfiled();
153	<	else
154	<	super.runTest();
151	>	if (methodFilter == null
152	>	|| methodFilter.matcher(toString()).find()) {
153	>	for (int i = 0; i < runsPerTest; i++) {
154	>	if (profileTests)
155	>	runTestProfiled();
156	>	else
157	>	super.runTest();
158	>	}
159	>	}
160		}
161
162		protected void runTestProfiled() throws Throwable {
#	Line 142 | Line 172 | public class JSR166TestCase extends Test
172		}
173
174		/**
175	<	* Runs all JSR166 unit tests using junit.textui.TestRunner
175	>	* Runs all JSR166 unit tests using junit.textui.TestRunner.
176	>	* Optional command line arg provides the number of iterations to
177	>	* repeat running the tests.
178		*/
179		public static void main(String[] args) {
180		if (useSecurityManager) {
#	Line 174 | Line 206 | public class JSR166TestCase extends Test
206		return suite;
207		}
208
209	+	public static void addNamedTestClasses(TestSuite suite,
210	+	String... testClassNames) {
211	+	for (String testClassName : testClassNames) {
212	+	try {
213	+	Class<?> testClass = Class.forName(testClassName);
214	+	Method m = testClass.getDeclaredMethod("suite",
215	+	new Class<?>[0]);
216	+	suite.addTest(newTestSuite((Test)m.invoke(null)));
217	+	} catch (Exception e) {
218	+	throw new Error("Missing test class", e);
219	+	}
220	+	}
221	+	}
222	+
223	+	public static final double JAVA_CLASS_VERSION;
224	+	public static final String JAVA_SPECIFICATION_VERSION;
225	+	static {
226	+	try {
227	+	JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged(
228	+	new java.security.PrivilegedAction<Double>() {
229	+	public Double run() {
230	+	return Double.valueOf(System.getProperty("java.class.version"));}});
231	+	JAVA_SPECIFICATION_VERSION = java.security.AccessController.doPrivileged(
232	+	new java.security.PrivilegedAction<String>() {
233	+	public String run() {
234	+	return System.getProperty("java.specification.version");}});
235	+	} catch (Throwable t) {
236	+	throw new Error(t);
237	+	}
238	+	}
239	+
240	+	public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; }
241	+	public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; }
242	+	public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; }
243	+	public static boolean atLeastJava9() {
244	+	// As of 2014-05, java9 still uses 52.0 class file version
245	+	return JAVA_SPECIFICATION_VERSION.startsWith("1.9");
246	+	}
247	+
248		/**
249		* Collects all JSR166 unit tests as one suite.
250		*/
251		public static Test suite() {
252	<	return newTestSuite(
252	>	// Java7+ test classes
253	>	TestSuite suite = newTestSuite(
254		ForkJoinPoolTest.suite(),
255		ForkJoinTaskTest.suite(),
256		RecursiveActionTest.suite(),
#	Line 243 | Line 315 | public class JSR166TestCase extends Test
315		TreeSetTest.suite(),
316		TreeSubMapTest.suite(),
317		TreeSubSetTest.suite());
318	+
319	+	// Java8+ test classes
320	+	if (atLeastJava8()) {
321	+	String[] java8TestClassNames = {
322	+	"Atomic8Test",
323	+	"CompletableFutureTest",
324	+	"ConcurrentHashMap8Test",
325	+	"CountedCompleterTest",
326	+	"DoubleAccumulatorTest",
327	+	"DoubleAdderTest",
328	+	"ForkJoinPool8Test",
329	+	"ForkJoinTask8Test",
330	+	"LongAccumulatorTest",
331	+	"LongAdderTest",
332	+	"SplittableRandomTest",
333	+	"StampedLockTest",
334	+	"ThreadLocalRandom8Test",
335	+	};
336	+	addNamedTestClasses(suite, java8TestClassNames);
337	+	}
338	+
339	+	// Java9+ test classes
340	+	if (atLeastJava9()) {
341	+	String[] java9TestClassNames = {
342	+	"ThreadPoolExecutor9Test",
343	+	};
344	+	addNamedTestClasses(suite, java9TestClassNames);
345	+	}
346	+
347	+	return suite;
348		}
349
350	+	// Delays for timing-dependent tests, in milliseconds.
351
352		public static long SHORT_DELAY_MS;
353		public static long SMALL_DELAY_MS;
354		public static long MEDIUM_DELAY_MS;
355		public static long LONG_DELAY_MS;
356
254	–
357		/**
358		* Returns the shortest timed delay. This could
359		* be reimplemented to use for example a Property.
#	Line 334 | Line 436 | public class JSR166TestCase extends Test
436
437		if (Thread.interrupted())
438		throw new AssertionFailedError("interrupt status set in main thread");
439	+
440	+	checkForkJoinPoolThreadLeaks();
441	+	}
442	+
443	+	/**
444	+	* Find missing try { ... } finally { joinPool(e); }
445	+	*/
446	+	void checkForkJoinPoolThreadLeaks() throws InterruptedException {
447	+	Thread[] survivors = new Thread[5];
448	+	int count = Thread.enumerate(survivors);
449	+	for (int i = 0; i < count; i++) {
450	+	Thread thread = survivors[i];
451	+	String name = thread.getName();
452	+	if (name.startsWith("ForkJoinPool-")) {
453	+	// give thread some time to terminate
454	+	thread.join(LONG_DELAY_MS);
455	+	if (!thread.isAlive()) continue;
456	+	thread.stop();
457	+	throw new AssertionFailedError
458	+	(String.format("Found leaked ForkJoinPool thread test=%s thread=%s%n",
459	+	toString(), name));
460	+	}
461	+	}
462		}
463
464		/**
#	Line 507 | Line 632 | public class JSR166TestCase extends Test
632		}
633
634		/**
635	+	* A debugging tool to print all stack traces, as jstack does.
636	+	*/
637	+	static void printAllStackTraces() {
638	+	for (ThreadInfo info :
639	+	ManagementFactory.getThreadMXBean()
640	+	.dumpAllThreads(true, true))
641	+	System.err.print(info);
642	+	}
643	+
644	+	/**
645		* Checks that thread does not terminate within the default
646		* millisecond delay of {@code timeoutMillis()}.
647		*/
#	Line 528 | Line 663 | public class JSR166TestCase extends Test
663		}
664
665		/**
666	+	* Checks that the threads do not terminate within the default
667	+	* millisecond delay of {@code timeoutMillis()}.
668	+	*/
669	+	void assertThreadsStayAlive(Thread... threads) {
670	+	assertThreadsStayAlive(timeoutMillis(), threads);
671	+	}
672	+
673	+	/**
674	+	* Checks that the threads do not terminate within the given millisecond delay.
675	+	*/
676	+	void assertThreadsStayAlive(long millis, Thread... threads) {
677	+	try {
678	+	// No need to optimize the failing case via Thread.join.
679	+	delay(millis);
680	+	for (Thread thread : threads)
681	+	assertTrue(thread.isAlive());
682	+	} catch (InterruptedException ie) {
683	+	fail("Unexpected InterruptedException");
684	+	}
685	+	}
686	+
687	+	/**
688		* Checks that future.get times out, with the default timeout of
689		* {@code timeoutMillis()}.
690		*/
#	Line 589 | Line 746 | public class JSR166TestCase extends Test
746		public static final Integer m6  = new Integer(-6);
747		public static final Integer m10 = new Integer(-10);
748
592	–
749		/**
750		* Runs Runnable r with a security policy that permits precisely
751		* the specified permissions.  If there is no current security
#	Line 601 | Line 757 | public class JSR166TestCase extends Test
757		SecurityManager sm = System.getSecurityManager();
758		if (sm == null) {
759		r.run();
760	+	}
761	+	runWithSecurityManagerWithPermissions(r, permissions);
762	+	}
763	+
764	+	/**
765	+	* Runs Runnable r with a security policy that permits precisely
766	+	* the specified permissions.  If there is no current security
767	+	* manager, a temporary one is set for the duration of the
768	+	* Runnable.  We require that any security manager permit
769	+	* getPolicy/setPolicy.
770	+	*/
771	+	public void runWithSecurityManagerWithPermissions(Runnable r,
772	+	Permission... permissions) {
773	+	SecurityManager sm = System.getSecurityManager();
774	+	if (sm == null) {
775		Policy savedPolicy = Policy.getPolicy();
776		try {
777		Policy.setPolicy(permissivePolicy());
778		System.setSecurityManager(new SecurityManager());
779	<	runWithPermissions(r, permissions);
779	>	runWithSecurityManagerWithPermissions(r, permissions);
780		} finally {
781		System.setSecurityManager(null);
782		Policy.setPolicy(savedPolicy);
#	Line 653 | Line 824 | public class JSR166TestCase extends Test
824		return perms.implies(p);
825		}
826		public void refresh() {}
827	+	public String toString() {
828	+	List<Permission> ps = new ArrayList<Permission>();
829	+	for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();)
830	+	ps.add(e.nextElement());
831	+	return "AdjustablePolicy with permissions " + ps;
832	+	}
833		}
834
835		/**
#	Line 904 | Line 1081 | public class JSR166TestCase extends Test
1081		}
1082		}
1083
1084	+	public void await(Semaphore semaphore) {
1085	+	try {
1086	+	assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS));
1087	+	} catch (Throwable t) {
1088	+	threadUnexpectedException(t);
1089	+	}
1090	+	}
1091	+
1092		//     /**
1093		//      * Spin-waits up to LONG_DELAY_MS until flag becomes true.
1094		//      */
#	Line 1091 | Line 1276 | public class JSR166TestCase extends Test
1276		public abstract class CheckedRecursiveAction extends RecursiveAction {
1277		protected abstract void realCompute() throws Throwable;
1278
1279	<	public final void compute() {
1279	>	@Override protected final void compute() {
1280		try {
1281		realCompute();
1282		} catch (Throwable t) {
#	Line 1106 | Line 1291 | public class JSR166TestCase extends Test
1291		public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> {
1292		protected abstract T realCompute() throws Throwable;
1293
1294	<	public final T compute() {
1294	>	@Override protected final T compute() {
1295		try {
1296		return realCompute();
1297		} catch (Throwable t) {
#	Line 1172 | Line 1357 | public class JSR166TestCase extends Test
1357		}
1358		}
1359
1360	<	@SuppressWarnings("unchecked")
1361	<	<T> T serialClone(T o) {
1360	>	void assertSerialEquals(Object x, Object y) {
1361	>	assertTrue(Arrays.equals(serialBytes(x), serialBytes(y)));
1362	>	}
1363	>
1364	>	void assertNotSerialEquals(Object x, Object y) {
1365	>	assertFalse(Arrays.equals(serialBytes(x), serialBytes(y)));
1366	>	}
1367	>
1368	>	byte[] serialBytes(Object o) {
1369		try {
1370		ByteArrayOutputStream bos = new ByteArrayOutputStream();
1371		ObjectOutputStream oos = new ObjectOutputStream(bos);
1372		oos.writeObject(o);
1373		oos.flush();
1374		oos.close();
1375	+	return bos.toByteArray();
1376	+	} catch (Throwable t) {
1377	+	threadUnexpectedException(t);
1378	+	return new byte[0];
1379	+	}
1380	+	}
1381	+
1382	+	@SuppressWarnings("unchecked")
1383	+	<T> T serialClone(T o) {
1384	+	try {
1385		ObjectInputStream ois = new ObjectInputStream
1386	<	(new ByteArrayInputStream(bos.toByteArray()));
1386	>	(new ByteArrayInputStream(serialBytes(o)));
1387		T clone = (T) ois.readObject();
1388		assertSame(o.getClass(), clone.getClass());
1389		return clone;
#	Line 1190 | Line 1392 | public class JSR166TestCase extends Test
1392		return null;
1393		}
1394		}
1395	+
1396	+	public void assertThrows(Class<? extends Throwable> expectedExceptionClass,
1397	+	Runnable... throwingActions) {
1398	+	for (Runnable throwingAction : throwingActions) {
1399	+	boolean threw = false;
1400	+	try { throwingAction.run(); }
1401	+	catch (Throwable t) {
1402	+	threw = true;
1403	+	if (!expectedExceptionClass.isInstance(t)) {
1404	+	AssertionFailedError afe =
1405	+	new AssertionFailedError
1406	+	("Expected " + expectedExceptionClass.getName() +
1407	+	", got " + t.getClass().getName());
1408	+	afe.initCause(t);
1409	+	threadUnexpectedException(afe);
1410	+	}
1411	+	}
1412	+	if (!threw)
1413	+	shouldThrow(expectedExceptionClass.getName());
1414	+	}
1415	+	}
1416		}

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